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Slide 1

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The Biological Approach
3 Assumptions:
1. Human behaviour can be explained by looking
at biological factors. E.g. Genetics, hormones,
evolution and the nervous system
2. Animal research can inform us about human
behaviour. This is because we are genetically
similar.
3. All unwanted behaviour can be modified or
removed by using biological treatments.…read more

Slide 2

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Brain scanning to investigate
abnormalities
MRI (Magnetic Resonance Imaging)
Magnetic fields are used to produce a detailed
image of the brain, which can show up
abnormalities such as tumours and
structural problems. It can also show brain
activity by monitoring blood flow.…read more

Slide 3

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PET (Position Emission Tomography)
Scans brain activity by using sensors placed
on the head to track a radioactive substance
that is injected into the person. This can
show which areas of the brain are more
active when a person performs an activity.…read more

Slide 4

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Biological Approach
Strengths and Weaknesses
Strengths
Provides evidence to support or disprove a
theory ­ It's a scientific approach.
Biological treatments can be developed to
help individuals ­ anti-depressants, anti-
anxiety medicines e.c.t.…read more

Slide 5

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Weaknesses
Does not take into account the influence of
the persons environment e.g. The lifestyle
which they had which could lead to the
unwanted behaviour.
Negative behaviour can lead to individuals
avoiding taking personal or social
responsibility for their behaviour ­ for
example they may blame the problems
around them rather then looking at their
own personal mindset which may have
caused the problem…read more

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